Photocontrolled ion-flow electron radiography apparatus with mul

Details Photocontrolled ion-flow electron radiography apparatus with mul Photocontrolled ion-flow electron radiography apparatus with mul

1977-09-19

1978-12-12

Church, Craig E.

Radiant energy

Source with charged plate-type detector

G03D 4116

Patent

active

041297792

ABSTRACT:
Photocontrolled ion-flow electron radiography apparatus has a multi-layered mesh structure, comprised of a conductive apertured sheet supporting an insulating layer, overlayed with a conductive screen and a top-most layer of photoconductive material, to control an ion stream responsive to a charge image formed in the photoconductive layer responsive to a pattern of x-rays differentially-absorbed by an object to be analyzed.

REFERENCES:
patent: 3603790 (1971-09-01), Cleare
patent: 3940620 (1976-02-01), Houston
patent: 4039830 (1977-08-01), Yang
patent: 4064439 (1977-12-01), Yang

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